There are many factors which can lead to poor voice quality in a VoIP environment including broadband quality, the hardware used, network utilization, contention and more.
The four most common problems associated with VoIP service are choppiness, dead air, echo, and talking over. Each can be associated to the quality metrics already discussed.
Yes, VoIP service is as good as regular phone service - they have the same features and high call quality that can compete with traditional telephone services.
VOIP protocol utilizes Packet based streams for communication between VOIP endpoints. This makes the VOICE Communication prone to problems of Latency, Jitter and Packet Loss. Though QOS (Quality Of Service) features prioritizes the VOICE packets but still if VOIP is introduced with a VPN sort of Addressing mechanisms and efficient bandwidth reservation might ensure high performance for VOIP Technology.
The quality of your internet connection is the biggest factor in the quality of VOIP phone service. If you have good internet you'll likely have good phone service. Bad internet connections will give you poor VOIP service.
QoS is Quality of Service. Basically it prioritizes VOIP calls.
Voip is almost as reliable as traditional landlines however you must have high-speed broadband Internet service to utilize quality sound.
QoS stands for Quality of Service. The most common complaints against VOiP communications are quality and reliability. The type of hardware one uses can greatly impact the quality.
Depending on the quality of your internet service, VoIP is generaly coperable to land lines in quality, with some ocasional digital compression noise. Most VoIP providers now have 911 service as well, but that is one thing you will wnat to check before picking a VoIP provider. Many rate the quality of service as just as good as a landline. The only issue seems to be with more frequently dropped calls and calls not being put through during peak times, issues you'd deal with on a cell phone.
The negative of using a VOIP provider is it relies on your internet connction. Also call quality can be suspect at times.
The only real downside to VOIP home service is that the call quality may not be clear at all times. If your internet signal isn't good the phone call will not be good either.
Asterisk is one of the most popular and well known voip providers. They not only have a high quality service, but fairly low prices as well.
Yes, most VOIP agreements will have a service level agreement that the provider agrees to abide by. This SLA will cover things such as downtime, uptime, voice quality, etc.